From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9FE83C83F15 for ; Sat, 26 Aug 2023 17:12:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC: To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=lW5JiU3OBo1fpU5FFkkuisIRL20Eimt0nkU4ubNxKCc=; b=BAdl8wVJ0ZNfoXSNRBi+Pyrkwg 0nPjeRxzzla2Ebr9Ot6nvfBtQHRx2kv5fxAn/UO3O2/4te1LfCVshbgRhb07SkDifEj6fkndLgtTi 4qg3kZ+7ZCNeDL8qxdFJmjaMxKM39eeqH/pA8skwO20sxoTdkn4UC8bCh21me5qdFlmaof25nz4Nr XYNCEf+zq2TVwvvMcd1YxiBR9Y7wMvMzoll0IFpFGte8erf5nmM1+u2hjajJNlElSFB8ua8yrTA5O 2ZQyL137rKgKMLMa5GP/HPFQkkcBbG3AnC0DNPa2sRm62kJmcsMpMrQHyQQEeUgux40buw8USF+gb yguZ6yyQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qZwpN-0074y3-2K; Sat, 26 Aug 2023 17:12:01 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qZwpK-0074xa-2p; Sat, 26 Aug 2023 17:11:59 +0000 X-UUID: a4df493e443311ee83ed1395ce914268-20230826 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=lW5JiU3OBo1fpU5FFkkuisIRL20Eimt0nkU4ubNxKCc=; b=XLidcVyErnKrwBnMcnBZ5X4A4asghx6tHcizZqkUI2tQ81nl87Ks8lTnOY62LS+bo4+SiuUgV4EgNNmRslWWK5Y+AfkH0Al4yEKvEpyvNvjozoIDUxXz4ezLG3dKLH96wIb+42CDskQ0lqnOr9E8eBIOBwVeYfHjpWzcX0eyZ3A=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.31,REQID:f15a0753-929b-4277-8f06-635ccc9bf0f1,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:51,FILE:0,BULK:28,RULE:Release_Ham,ACTIO N:release,TS:79 X-CID-INFO: VERSION:1.1.31,REQID:f15a0753-929b-4277-8f06-635ccc9bf0f1,IP:0,URL :0,TC:0,Content:0,EDM:0,RT:0,SF:51,FILE:0,BULK:28,RULE:Spam_GS981B3D,ACTIO N:quarantine,TS:79 X-CID-META: VersionHash:0ad78a4,CLOUDID:3560c71f-33fd-4aaa-bb43-d3fd68d9d5ae,B ulkID:230824185604G6OMGZAT,BulkQuantity:57,Recheck:0,SF:48|64|29|28|17|19| 102,TC:nil,Content:0,EDM:-3,IP:nil,URL:0,File:nil,Bulk:40|20,QS:nil,BEC:ni l,COL:0,OSI:0,OSA:0,AV:0,LES:1,SPR:NO,DKR:0,DKP:0,BRR:0,BRE:0 X-CID-BVR: 0,NGT X-CID-BAS: 0,NGT,0,_ X-CID-FACTOR: TF_CID_SPAM_FAS,TF_CID_SPAM_FSD,TF_CID_SPAM_OBB,TF_CID_SPAM_FCD, TF_CID_SPAM_SNR,TF_CID_SPAM_SDM,TF_CID_SPAM_ASC X-UUID: a4df493e443311ee83ed1395ce914268-20230826 Received: from mtkmbs14n2.mediatek.inc [(172.21.101.76)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 430543731; Sat, 26 Aug 2023 10:11:49 -0700 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs10n2.mediatek.inc (172.21.101.183) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.26; Sun, 27 Aug 2023 01:11:46 +0800 Received: from mbjsdccf07.mediatek.inc (10.15.20.246) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.26 via Frontend Transport; Sun, 27 Aug 2023 01:11:46 +0800 From: To: CC: , , , , , , , , , Subject: Re: [PATCH 1/1] mmc: Set optimal I/O size when mmc_setip_queue Date: Sun, 27 Aug 2023 00:54:54 +0800 Message-ID: <20230826165454.1196-1-Sharp.Xia@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230826_101158_926289_9DD15B6D X-CRM114-Status: UNSURE ( 7.70 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org On Fri, 2023-08-25 at 20:23 +0800, Wenchao Chen wrote: > > > Hi Sharp > Use "echo 1024 > sys/block/mmcblk0/queue/read_ahead_kb" instead of > "blk_queue_io_opt(mq->queue, host->max_req_size);"？ Hi Wenchao, User space does not know the max_req_size of each mmc host. And when the SD card is hot inserted, it is complicated for the user space to modify this value.